1 /* { dg-additional-options "-fdump-tree-cunroll-details" } */
2
3 #include "tree-vect.h"
4
5 int ii[33];
6 char cc[66] =
7 { 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0,
8 10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 0, 16, 0, 17, 0, 18, 0, 19, 0,
9 20, 0, 21, 0, 22, 0, 23, 0, 24, 0, 25, 0, 26, 0, 27, 0, 28, 0, 29, 0,
10 30, 0, 31, 0, 32, 0 };
11
12 void __attribute__((noinline,noclone))
foo(int s)13 foo (int s)
14 {
15 int i;
16 for (i = 0; i < s; i++)
17 ii[i] = (int) cc[i*2];
18 }
19
main(int argc,const char ** argv)20 int main (int argc, const char **argv)
21 {
22 int i;
23 check_vect ();
24 foo (33);
25 for (i = 0; i < 33; i++)
26 if (ii[i] != i)
27 __builtin_abort ();
28 }
29
30 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { target { i?86-*-* x86_64-*-* } } } } */
31 /* { dg-final { scan-tree-dump-not "loop turned into non-loop; it never loops" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */
32